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  <title>Sets terminal attributes and baud rate for a serial port</title>
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<div id="layout">
  <div id="layout-content"><div id="function.dio-tcsetattr" class="refentry">
 <div class="refnamediv">
  <h1 class="refname">dio_tcsetattr</h1>
  <p class="verinfo">(PHP 4 &gt;= 4.3.0, PHP 5 &lt; 5.1.0)</p><p class="refpurpose"><span class="refname">dio_tcsetattr</span> &mdash; <span class="dc-title">
   Sets terminal attributes and baud rate for a serial port
  </span></p>

 </div>
 <div class="refsect1 description" id="refsect1-function.dio-tcsetattr-description">
  <h3 class="title">说明</h3>
  <div class="methodsynopsis dc-description">
   <span class="methodname"><strong>dio_tcsetattr</strong></span>(<span class="methodparam"><span class="type">resource</span> <code class="parameter">$fd</code></span>, <span class="methodparam"><span class="type">array</span> <code class="parameter">$options</code></span>): <span class="type">bool</span></div>

  <p class="para rdfs-comment">
   <span class="function"><strong>dio_tcsetattr()</strong></span> sets the terminal attributes and baud
   rate of the open <code class="parameter">fd</code>.
  </p>
 </div>

 <div class="refsect1 parameters" id="refsect1-function.dio-tcsetattr-parameters">
  <h3 class="title">参数</h3>
  <p class="para">
   <dl>
    
     <dt>
<code class="parameter">fd</code></dt>

     <dd>

      <p class="para">
       The file descriptor returned by <span class="function"><a href="function.dio-open.html" class="function">dio_open()</a></span>.
      </p>
     </dd>

    
    
     <dt>
<code class="parameter">options</code></dt>

     <dd>

      <p class="para">
       The currently available options are: 
       <ul class="itemizedlist">
        <li class="listitem">
         <p class="para">
          &#039;baud&#039; - baud rate of the port - can be 38400,19200,9600,4800,2400,1800,
          1200,600,300,200,150,134,110,75 or 50, default value is 9600.
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          &#039;bits&#039; - data bits - can be 8,7,6 or 5. Default value is 8.
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          &#039;stop&#039; - stop bits - can be 1 or 2. Default value is 1.
         </p>
        </li>
        <li class="listitem">
         <p class="para">
          &#039;parity&#039; - can be 0,1 or 2. Default value is 0.
         </p>
        </li>
       </ul>
      </p>
     </dd>

    
   </dl>

  </p>
 </div>

 <div class="refsect1 returnvalues" id="refsect1-function.dio-tcsetattr-returnvalues">
  <h3 class="title">返回值</h3>
  <p class="para">
   没有返回值。
  </p>
 </div>

 <div class="refsect1 examples" id="refsect1-function.dio-tcsetattr-examples">
  <h3 class="title">范例</h3>
  <p class="para">
   <div class="example" id="example-2123">
    <p><strong>示例 #1 Setting the baud rate on a serial port</strong></p>
    <div class="example-contents">
<div class="phpcode"><code><span style="color: #000000">
<span style="color: #0000BB">&lt;?php<br /><br />$fd&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">dio_open</span><span style="color: #007700">(</span><span style="color: #DD0000">'/dev/ttyS0'</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">O_RDWR&nbsp;</span><span style="color: #007700">|&nbsp;</span><span style="color: #0000BB">O_NOCTTY&nbsp;</span><span style="color: #007700">|&nbsp;</span><span style="color: #0000BB">O_NONBLOCK</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">dio_fcntl</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">F_SETFL</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">O_SYNC</span><span style="color: #007700">);<br /><br /></span><span style="color: #0000BB">dio_tcsetattr</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">,&nbsp;array(<br />&nbsp;&nbsp;</span><span style="color: #DD0000">'baud'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">9600</span><span style="color: #007700">,<br />&nbsp;&nbsp;</span><span style="color: #DD0000">'bits'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">8</span><span style="color: #007700">,<br />&nbsp;&nbsp;</span><span style="color: #DD0000">'stop'&nbsp;&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">1</span><span style="color: #007700">,<br />&nbsp;&nbsp;</span><span style="color: #DD0000">'parity'&nbsp;</span><span style="color: #007700">=&gt;&nbsp;</span><span style="color: #0000BB">0<br /></span><span style="color: #007700">));&nbsp;<br /><br />while&nbsp;(</span><span style="color: #0000BB">1</span><span style="color: #007700">)&nbsp;{<br /><br />&nbsp;&nbsp;</span><span style="color: #0000BB">$data&nbsp;</span><span style="color: #007700">=&nbsp;</span><span style="color: #0000BB">dio_read</span><span style="color: #007700">(</span><span style="color: #0000BB">$fd</span><span style="color: #007700">,&nbsp;</span><span style="color: #0000BB">256</span><span style="color: #007700">);<br /><br />&nbsp;&nbsp;if&nbsp;(</span><span style="color: #0000BB">$data</span><span style="color: #007700">)&nbsp;{<br />&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;echo&nbsp;</span><span style="color: #0000BB">$data</span><span style="color: #007700">;<br />&nbsp;&nbsp;}<br />}&nbsp;<br /><br /></span><span style="color: #0000BB">?&gt;</span>
</span>
</code></div>
    </div>

   </div>
  </p>
 </div>


 <div class="refsect1 notes" id="refsect1-function.dio-tcsetattr-notes">
  <h3 class="title">注释</h3>
  <blockquote class="note"><p><strong class="note">注意</strong>: <span class="simpara">此函数未在 Windows 平台下实现。</span></p></blockquote>
 </div>

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